Home / 277,845.72-416,786.58-111,633.72

Finding the Fourth Proportional to 277,845.72, 416,786.58 and 111,633.72

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Solution

The fourth proportional to 277,845.72, 416,786.58 and 111,633.72 is: 167,457.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,845.72 : 416,786.58 = 111,633.72 : x
  2. Step 2: Convert to fraction form
    277,845.72/416,786.58 = 111,633.72/x
  3. Step 3: Cross multiply
    277,845.72x = 416,786.58 × 111,633.72
  4. Step 4: Simplify right side
    277,845.72x = 46,527,436,371.48
  5. Step 5: Solve for x
    x = 46,527,436,371.48/277,845.72
  6. Step 6: Final answer
    x = 167,457.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.